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1// SPDX-License-Identifier: GPL-2.0-only
2/**************************************************************************
3 * Copyright (c) 2007-2011, Intel Corporation.
4 * All Rights Reserved.
5 * Copyright (c) 2008, Tungsten Graphics, Inc. Cedar Park, TX., USA.
6 * All Rights Reserved.
7 *
8 **************************************************************************/
9
10#include <linux/aperture.h>
11#include <linux/cpu.h>
12#include <linux/module.h>
13#include <linux/notifier.h>
14#include <linux/pm_runtime.h>
15#include <linux/spinlock.h>
16#include <linux/delay.h>
17
18#include <asm/set_memory.h>
19
20#include <acpi/video.h>
21
22#include <drm/drm.h>
23#include <drm/drm_client_setup.h>
24#include <drm/drm_drv.h>
25#include <drm/drm_file.h>
26#include <drm/drm_ioctl.h>
27#include <drm/drm_pciids.h>
28#include <drm/drm_vblank.h>
29
30#include "framebuffer.h"
31#include "gem.h"
32#include "intel_bios.h"
33#include "mid_bios.h"
34#include "power.h"
35#include "psb_drv.h"
36#include "psb_intel_reg.h"
37#include "psb_irq.h"
38#include "psb_reg.h"
39
40static const struct drm_driver driver;
41static int psb_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent);
42
43/*
44 * The table below contains a mapping of the PCI vendor ID and the PCI Device ID
45 * to the different groups of PowerVR 5-series chip designs
46 *
47 * 0x8086 = Intel Corporation
48 *
49 * PowerVR SGX535 - Poulsbo - Intel GMA 500, Intel Atom Z5xx
50 * PowerVR SGX535 - Moorestown - Intel GMA 600
51 * PowerVR SGX535 - Oaktrail - Intel GMA 600, Intel Atom Z6xx, E6xx
52 * PowerVR SGX545 - Cedartrail - Intel GMA 3600, Intel Atom D2500, N2600
53 * PowerVR SGX545 - Cedartrail - Intel GMA 3650, Intel Atom D2550, D2700,
54 * N2800
55 */
56static const struct pci_device_id pciidlist[] = {
57 /* Poulsbo */
58 { 0x8086, 0x8108, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &psb_chip_ops },
59 { 0x8086, 0x8109, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &psb_chip_ops },
60 /* Oak Trail */
61 { 0x8086, 0x4100, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &oaktrail_chip_ops },
62 { 0x8086, 0x4101, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &oaktrail_chip_ops },
63 { 0x8086, 0x4102, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &oaktrail_chip_ops },
64 { 0x8086, 0x4103, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &oaktrail_chip_ops },
65 { 0x8086, 0x4104, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &oaktrail_chip_ops },
66 { 0x8086, 0x4105, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &oaktrail_chip_ops },
67 { 0x8086, 0x4106, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &oaktrail_chip_ops },
68 { 0x8086, 0x4107, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &oaktrail_chip_ops },
69 { 0x8086, 0x4108, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &oaktrail_chip_ops },
70 /* Cedar Trail */
71 { 0x8086, 0x0be0, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops },
72 { 0x8086, 0x0be1, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops },
73 { 0x8086, 0x0be2, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops },
74 { 0x8086, 0x0be3, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops },
75 { 0x8086, 0x0be4, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops },
76 { 0x8086, 0x0be5, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops },
77 { 0x8086, 0x0be6, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops },
78 { 0x8086, 0x0be7, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops },
79 { 0x8086, 0x0be8, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops },
80 { 0x8086, 0x0be9, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops },
81 { 0x8086, 0x0bea, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops },
82 { 0x8086, 0x0beb, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops },
83 { 0x8086, 0x0bec, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops },
84 { 0x8086, 0x0bed, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops },
85 { 0x8086, 0x0bee, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops },
86 { 0x8086, 0x0bef, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops },
87 { 0, }
88};
89MODULE_DEVICE_TABLE(pci, pciidlist);
90
91/*
92 * Standard IOCTLs.
93 */
94static const struct drm_ioctl_desc psb_ioctls[] = {
95};
96
97/**
98 * psb_spank - reset the 2D engine
99 * @dev_priv: our PSB DRM device
100 *
101 * Soft reset the graphics engine and then reload the necessary registers.
102 */
103static void psb_spank(struct drm_psb_private *dev_priv)
104{
105 PSB_WSGX32(_PSB_CS_RESET_BIF_RESET | _PSB_CS_RESET_DPM_RESET |
106 _PSB_CS_RESET_TA_RESET | _PSB_CS_RESET_USE_RESET |
107 _PSB_CS_RESET_ISP_RESET | _PSB_CS_RESET_TSP_RESET |
108 _PSB_CS_RESET_TWOD_RESET, PSB_CR_SOFT_RESET);
109 PSB_RSGX32(PSB_CR_SOFT_RESET);
110
111 msleep(1);
112
113 PSB_WSGX32(0, PSB_CR_SOFT_RESET);
114 wmb();
115 PSB_WSGX32(PSB_RSGX32(PSB_CR_BIF_CTRL) | _PSB_CB_CTRL_CLEAR_FAULT,
116 PSB_CR_BIF_CTRL);
117 wmb();
118 (void) PSB_RSGX32(PSB_CR_BIF_CTRL);
119
120 msleep(1);
121 PSB_WSGX32(PSB_RSGX32(PSB_CR_BIF_CTRL) & ~_PSB_CB_CTRL_CLEAR_FAULT,
122 PSB_CR_BIF_CTRL);
123 (void) PSB_RSGX32(PSB_CR_BIF_CTRL);
124 PSB_WSGX32(dev_priv->gtt.gatt_start, PSB_CR_BIF_TWOD_REQ_BASE);
125}
126
127static int psb_do_init(struct drm_device *dev)
128{
129 struct drm_psb_private *dev_priv = to_drm_psb_private(dev);
130 struct psb_gtt *pg = &dev_priv->gtt;
131
132 uint32_t stolen_gtt;
133
134 if (pg->mmu_gatt_start & 0x0FFFFFFF) {
135 dev_err(dev->dev, "Gatt must be 256M aligned. This is a bug.\n");
136 return -EINVAL;
137 }
138
139 stolen_gtt = (pg->stolen_size >> PAGE_SHIFT) * 4;
140 stolen_gtt = (stolen_gtt + PAGE_SIZE - 1) >> PAGE_SHIFT;
141 stolen_gtt = (stolen_gtt < pg->gtt_pages) ? stolen_gtt : pg->gtt_pages;
142
143 dev_priv->gatt_free_offset = pg->mmu_gatt_start +
144 (stolen_gtt << PAGE_SHIFT) * 1024;
145
146 spin_lock_init(&dev_priv->irqmask_lock);
147
148 PSB_WSGX32(0x00000000, PSB_CR_BIF_BANK0);
149 PSB_WSGX32(0x00000000, PSB_CR_BIF_BANK1);
150 PSB_RSGX32(PSB_CR_BIF_BANK1);
151
152 /* Do not bypass any MMU access, let them pagefault instead */
153 PSB_WSGX32((PSB_RSGX32(PSB_CR_BIF_CTRL) & ~_PSB_MMU_ER_MASK),
154 PSB_CR_BIF_CTRL);
155 PSB_RSGX32(PSB_CR_BIF_CTRL);
156
157 psb_spank(dev_priv);
158
159 /* mmu_gatt ?? */
160 PSB_WSGX32(pg->gatt_start, PSB_CR_BIF_TWOD_REQ_BASE);
161 PSB_RSGX32(PSB_CR_BIF_TWOD_REQ_BASE); /* Post */
162
163 return 0;
164}
165
166static void psb_driver_unload(struct drm_device *dev)
167{
168 struct drm_psb_private *dev_priv = to_drm_psb_private(dev);
169
170 /* TODO: Kill vblank etc here */
171
172 gma_backlight_exit(dev);
173 psb_modeset_cleanup(dev);
174
175 gma_irq_uninstall(dev);
176
177 if (dev_priv->ops->chip_teardown)
178 dev_priv->ops->chip_teardown(dev);
179
180 psb_intel_opregion_fini(dev);
181
182 if (dev_priv->pf_pd) {
183 psb_mmu_free_pagedir(dev_priv->pf_pd);
184 dev_priv->pf_pd = NULL;
185 }
186 if (dev_priv->mmu) {
187 struct psb_gtt *pg = &dev_priv->gtt;
188
189 psb_mmu_remove_pfn_sequence(
190 psb_mmu_get_default_pd
191 (dev_priv->mmu),
192 pg->mmu_gatt_start,
193 dev_priv->vram_stolen_size >> PAGE_SHIFT);
194 psb_mmu_driver_takedown(dev_priv->mmu);
195 dev_priv->mmu = NULL;
196 }
197 psb_gem_mm_fini(dev);
198 psb_gtt_fini(dev);
199 if (dev_priv->scratch_page) {
200 set_pages_wb(dev_priv->scratch_page, 1);
201 __free_page(dev_priv->scratch_page);
202 dev_priv->scratch_page = NULL;
203 }
204 if (dev_priv->vdc_reg) {
205 iounmap(dev_priv->vdc_reg);
206 dev_priv->vdc_reg = NULL;
207 }
208 if (dev_priv->sgx_reg) {
209 iounmap(dev_priv->sgx_reg);
210 dev_priv->sgx_reg = NULL;
211 }
212 if (dev_priv->aux_reg) {
213 iounmap(dev_priv->aux_reg);
214 dev_priv->aux_reg = NULL;
215 }
216 pci_dev_put(dev_priv->aux_pdev);
217 pci_dev_put(dev_priv->lpc_pdev);
218
219 /* Destroy VBT data */
220 psb_intel_destroy_bios(dev);
221
222 gma_power_uninit(dev);
223}
224
225static void psb_device_release(void *data)
226{
227 struct drm_device *dev = data;
228
229 psb_driver_unload(dev);
230}
231
232static int psb_driver_load(struct drm_device *dev, unsigned long flags)
233{
234 struct pci_dev *pdev = to_pci_dev(dev->dev);
235 struct drm_psb_private *dev_priv = to_drm_psb_private(dev);
236 unsigned long resource_start, resource_len;
237 unsigned long irqflags;
238 struct drm_connector_list_iter conn_iter;
239 struct drm_connector *connector;
240 struct gma_encoder *gma_encoder;
241 struct psb_gtt *pg;
242 int ret = -ENOMEM;
243
244 /* initializing driver private data */
245
246 dev_priv->ops = (struct psb_ops *)flags;
247
248 pg = &dev_priv->gtt;
249
250 pci_set_master(pdev);
251
252 dev_priv->num_pipe = dev_priv->ops->pipes;
253
254 resource_start = pci_resource_start(pdev, PSB_MMIO_RESOURCE);
255
256 dev_priv->vdc_reg =
257 ioremap(resource_start + PSB_VDC_OFFSET, PSB_VDC_SIZE);
258 if (!dev_priv->vdc_reg)
259 goto out_err;
260
261 dev_priv->sgx_reg = ioremap(resource_start + dev_priv->ops->sgx_offset,
262 PSB_SGX_SIZE);
263 if (!dev_priv->sgx_reg)
264 goto out_err;
265
266 if (IS_MRST(dev)) {
267 int domain = pci_domain_nr(pdev->bus);
268
269 dev_priv->aux_pdev =
270 pci_get_domain_bus_and_slot(domain, 0,
271 PCI_DEVFN(3, 0));
272
273 if (dev_priv->aux_pdev) {
274 resource_start = pci_resource_start(dev_priv->aux_pdev,
275 PSB_AUX_RESOURCE);
276 resource_len = pci_resource_len(dev_priv->aux_pdev,
277 PSB_AUX_RESOURCE);
278 dev_priv->aux_reg = ioremap(resource_start,
279 resource_len);
280 if (!dev_priv->aux_reg)
281 goto out_err;
282
283 DRM_DEBUG_KMS("Found aux vdc");
284 } else {
285 /* Couldn't find the aux vdc so map to primary vdc */
286 dev_priv->aux_reg = dev_priv->vdc_reg;
287 DRM_DEBUG_KMS("Couldn't find aux pci device");
288 }
289 dev_priv->gmbus_reg = dev_priv->aux_reg;
290
291 dev_priv->lpc_pdev =
292 pci_get_domain_bus_and_slot(domain, 0,
293 PCI_DEVFN(31, 0));
294 if (dev_priv->lpc_pdev) {
295 pci_read_config_word(dev_priv->lpc_pdev, PSB_LPC_GBA,
296 &dev_priv->lpc_gpio_base);
297 pci_write_config_dword(dev_priv->lpc_pdev, PSB_LPC_GBA,
298 (u32)dev_priv->lpc_gpio_base | (1L<<31));
299 pci_read_config_word(dev_priv->lpc_pdev, PSB_LPC_GBA,
300 &dev_priv->lpc_gpio_base);
301 dev_priv->lpc_gpio_base &= 0xffc0;
302 if (dev_priv->lpc_gpio_base)
303 DRM_DEBUG_KMS("Found LPC GPIO at 0x%04x\n",
304 dev_priv->lpc_gpio_base);
305 else {
306 pci_dev_put(dev_priv->lpc_pdev);
307 dev_priv->lpc_pdev = NULL;
308 }
309 }
310 } else {
311 dev_priv->gmbus_reg = dev_priv->vdc_reg;
312 }
313
314 psb_intel_opregion_setup(dev);
315
316 ret = dev_priv->ops->chip_setup(dev);
317 if (ret)
318 goto out_err;
319
320 /* Init OSPM support */
321 gma_power_init(dev);
322
323 ret = -ENOMEM;
324
325 dev_priv->scratch_page = alloc_page(GFP_DMA32 | __GFP_ZERO);
326 if (!dev_priv->scratch_page)
327 goto out_err;
328
329 set_pages_uc(dev_priv->scratch_page, 1);
330
331 ret = psb_gtt_init(dev);
332 if (ret)
333 goto out_err;
334 ret = psb_gem_mm_init(dev);
335 if (ret)
336 goto out_err;
337
338 ret = -ENOMEM;
339
340 dev_priv->mmu = psb_mmu_driver_init(dev, 1, 0, NULL);
341 if (!dev_priv->mmu)
342 goto out_err;
343
344 dev_priv->pf_pd = psb_mmu_alloc_pd(dev_priv->mmu, 1, 0);
345 if (!dev_priv->pf_pd)
346 goto out_err;
347
348 ret = psb_do_init(dev);
349 if (ret)
350 return ret;
351
352 /* Add stolen memory to SGX MMU */
353 ret = psb_mmu_insert_pfn_sequence(psb_mmu_get_default_pd(dev_priv->mmu),
354 dev_priv->stolen_base >> PAGE_SHIFT,
355 pg->gatt_start,
356 pg->stolen_size >> PAGE_SHIFT, 0);
357
358 psb_mmu_set_pd_context(psb_mmu_get_default_pd(dev_priv->mmu), 0);
359 psb_mmu_set_pd_context(dev_priv->pf_pd, 1);
360
361 PSB_WSGX32(0x20000000, PSB_CR_PDS_EXEC_BASE);
362 PSB_WSGX32(0x30000000, PSB_CR_BIF_3D_REQ_BASE);
363
364 acpi_video_register();
365
366 /* Setup vertical blanking handling */
367 ret = drm_vblank_init(dev, dev_priv->num_pipe);
368 if (ret)
369 goto out_err;
370
371 /*
372 * Install interrupt handlers prior to powering off SGX or else we will
373 * crash.
374 */
375 dev_priv->vdc_irq_mask = 0;
376 dev_priv->pipestat[0] = 0;
377 dev_priv->pipestat[1] = 0;
378 dev_priv->pipestat[2] = 0;
379 spin_lock_irqsave(&dev_priv->irqmask_lock, irqflags);
380 PSB_WVDC32(0xFFFFFFFF, PSB_HWSTAM);
381 PSB_WVDC32(0x00000000, PSB_INT_ENABLE_R);
382 PSB_WVDC32(0xFFFFFFFF, PSB_INT_MASK_R);
383 spin_unlock_irqrestore(&dev_priv->irqmask_lock, irqflags);
384
385 gma_irq_install(dev);
386
387 dev->max_vblank_count = 0xffffff; /* only 24 bits of frame count */
388
389 psb_modeset_init(dev);
390 drm_kms_helper_poll_init(dev);
391
392 /* Only add backlight support if we have LVDS or MIPI output */
393 drm_connector_list_iter_begin(dev, &conn_iter);
394 drm_for_each_connector_iter(connector, &conn_iter) {
395 gma_encoder = gma_attached_encoder(connector);
396
397 if (gma_encoder->type == INTEL_OUTPUT_LVDS ||
398 gma_encoder->type == INTEL_OUTPUT_MIPI) {
399 ret = gma_backlight_init(dev);
400 if (ret == 0)
401 acpi_video_register_backlight();
402 break;
403 }
404 }
405 drm_connector_list_iter_end(&conn_iter);
406
407 if (ret)
408 return ret;
409 psb_intel_opregion_enable_asle(dev);
410
411 return devm_add_action_or_reset(dev->dev, psb_device_release, dev);
412
413out_err:
414 psb_driver_unload(dev);
415 return ret;
416}
417
418/*
419 * Hardware for gma500 is a hybrid device, which both acts as a PCI
420 * device (for legacy vga functionality) but also more like an
421 * integrated display on a SoC where the framebuffer simply
422 * resides in main memory and not in a special PCI bar (that
423 * internally redirects to a stolen range of main memory) like all
424 * other integrated PCI display devices implement it.
425 *
426 * To catch all cases we need to remove conflicting firmware devices
427 * for the stolen system memory and for the VGA functionality. As we
428 * currently cannot easily find the framebuffer's location in stolen
429 * memory, we remove all framebuffers here.
430 *
431 * TODO: Refactor psb_driver_load() to map vdc_reg earlier. Then
432 * we might be able to read the framebuffer range from the
433 * device.
434 */
435static int gma_remove_conflicting_framebuffers(struct pci_dev *pdev,
436 const struct drm_driver *req_driver)
437{
438 resource_size_t base = 0;
439 resource_size_t size = U32_MAX; /* 4 GiB HW limit */
440 const char *name = req_driver->name;
441 int ret;
442
443 ret = aperture_remove_conflicting_devices(base, size, name);
444 if (ret)
445 return ret;
446
447 return __aperture_remove_legacy_vga_devices(pdev);
448}
449
450static int psb_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
451{
452 struct drm_psb_private *dev_priv;
453 struct drm_device *dev;
454 int ret;
455
456 ret = gma_remove_conflicting_framebuffers(pdev, &driver);
457 if (ret)
458 return ret;
459
460 ret = pcim_enable_device(pdev);
461 if (ret)
462 return ret;
463
464 dev_priv = devm_drm_dev_alloc(&pdev->dev, &driver, struct drm_psb_private, dev);
465 if (IS_ERR(dev_priv))
466 return PTR_ERR(dev_priv);
467 dev = &dev_priv->dev;
468
469 pci_set_drvdata(pdev, dev);
470
471 ret = psb_driver_load(dev, ent->driver_data);
472 if (ret)
473 return ret;
474
475 ret = drm_dev_register(dev, ent->driver_data);
476 if (ret)
477 return ret;
478
479 drm_client_setup(dev, NULL);
480
481 return 0;
482}
483
484static void psb_pci_remove(struct pci_dev *pdev)
485{
486 struct drm_device *dev = pci_get_drvdata(pdev);
487
488 drm_dev_unregister(dev);
489}
490
491static DEFINE_RUNTIME_DEV_PM_OPS(psb_pm_ops, gma_power_suspend, gma_power_resume, NULL);
492
493static const struct file_operations psb_gem_fops = {
494 .owner = THIS_MODULE,
495 .open = drm_open,
496 .release = drm_release,
497 .unlocked_ioctl = drm_ioctl,
498 .compat_ioctl = drm_compat_ioctl,
499 .mmap = drm_gem_mmap,
500 .poll = drm_poll,
501 .read = drm_read,
502 .fop_flags = FOP_UNSIGNED_OFFSET,
503};
504
505static const struct drm_driver driver = {
506 .driver_features = DRIVER_MODESET | DRIVER_GEM,
507
508 .num_ioctls = ARRAY_SIZE(psb_ioctls),
509
510 .dumb_create = psb_gem_dumb_create,
511 PSB_FBDEV_DRIVER_OPS,
512 .ioctls = psb_ioctls,
513 .fops = &psb_gem_fops,
514 .name = DRIVER_NAME,
515 .desc = DRIVER_DESC,
516 .date = DRIVER_DATE,
517 .major = DRIVER_MAJOR,
518 .minor = DRIVER_MINOR,
519 .patchlevel = DRIVER_PATCHLEVEL
520};
521
522static struct pci_driver psb_pci_driver = {
523 .name = DRIVER_NAME,
524 .id_table = pciidlist,
525 .probe = psb_pci_probe,
526 .remove = psb_pci_remove,
527 .driver.pm = &psb_pm_ops,
528};
529
530static int __init psb_init(void)
531{
532 if (drm_firmware_drivers_only())
533 return -ENODEV;
534
535 return pci_register_driver(&psb_pci_driver);
536}
537
538static void __exit psb_exit(void)
539{
540 pci_unregister_driver(&psb_pci_driver);
541}
542
543late_initcall(psb_init);
544module_exit(psb_exit);
545
546MODULE_AUTHOR(DRIVER_AUTHOR);
547MODULE_DESCRIPTION(DRIVER_DESC);
548MODULE_LICENSE("GPL");
1/**************************************************************************
2 * Copyright (c) 2007-2011, Intel Corporation.
3 * All Rights Reserved.
4 * Copyright (c) 2008, Tungsten Graphics, Inc. Cedar Park, TX., USA.
5 * All Rights Reserved.
6 *
7 * This program is free software; you can redistribute it and/or modify it
8 * under the terms and conditions of the GNU General Public License,
9 * version 2, as published by the Free Software Foundation.
10 *
11 * This program is distributed in the hope it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
14 * more details.
15 *
16 * You should have received a copy of the GNU General Public License along with
17 * this program; if not, write to the Free Software Foundation, Inc.,
18 * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
19 *
20 **************************************************************************/
21
22#include <drm/drmP.h>
23#include <drm/drm.h>
24#include "gma_drm.h"
25#include "psb_drv.h"
26#include "framebuffer.h"
27#include "psb_reg.h"
28#include "psb_intel_reg.h"
29#include "intel_bios.h"
30#include "mid_bios.h"
31#include <drm/drm_pciids.h>
32#include "power.h"
33#include <linux/cpu.h>
34#include <linux/notifier.h>
35#include <linux/spinlock.h>
36#include <linux/pm_runtime.h>
37#include <acpi/video.h>
38#include <linux/module.h>
39
40static int drm_psb_trap_pagefaults;
41
42static int psb_probe(struct pci_dev *pdev, const struct pci_device_id *ent);
43
44MODULE_PARM_DESC(trap_pagefaults, "Error and reset on MMU pagefaults");
45module_param_named(trap_pagefaults, drm_psb_trap_pagefaults, int, 0600);
46
47
48static DEFINE_PCI_DEVICE_TABLE(pciidlist) = {
49 { 0x8086, 0x8108, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &psb_chip_ops },
50 { 0x8086, 0x8109, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &psb_chip_ops },
51#if defined(CONFIG_DRM_GMA600)
52 { 0x8086, 0x4100, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &oaktrail_chip_ops},
53 { 0x8086, 0x4101, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &oaktrail_chip_ops},
54 { 0x8086, 0x4102, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &oaktrail_chip_ops},
55 { 0x8086, 0x4103, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &oaktrail_chip_ops},
56 { 0x8086, 0x4104, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &oaktrail_chip_ops},
57 { 0x8086, 0x4105, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &oaktrail_chip_ops},
58 { 0x8086, 0x4106, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &oaktrail_chip_ops},
59 { 0x8086, 0x4107, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &oaktrail_chip_ops},
60 /* Atom E620 */
61 { 0x8086, 0x4108, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &oaktrail_chip_ops},
62#endif
63#if defined(CONFIG_DRM_MEDFIELD)
64 {0x8086, 0x0130, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mdfld_chip_ops},
65 {0x8086, 0x0131, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mdfld_chip_ops},
66 {0x8086, 0x0132, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mdfld_chip_ops},
67 {0x8086, 0x0133, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mdfld_chip_ops},
68 {0x8086, 0x0134, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mdfld_chip_ops},
69 {0x8086, 0x0135, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mdfld_chip_ops},
70 {0x8086, 0x0136, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mdfld_chip_ops},
71 {0x8086, 0x0137, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mdfld_chip_ops},
72#endif
73#if defined(CONFIG_DRM_GMA3600)
74 { 0x8086, 0x0be0, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops},
75 { 0x8086, 0x0be1, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops},
76 { 0x8086, 0x0be2, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops},
77 { 0x8086, 0x0be3, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops},
78 { 0x8086, 0x0be4, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops},
79 { 0x8086, 0x0be5, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops},
80 { 0x8086, 0x0be6, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops},
81 { 0x8086, 0x0be7, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops},
82 { 0x8086, 0x0be8, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops},
83 { 0x8086, 0x0be9, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops},
84 { 0x8086, 0x0bea, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops},
85 { 0x8086, 0x0beb, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops},
86 { 0x8086, 0x0bec, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops},
87 { 0x8086, 0x0bed, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops},
88 { 0x8086, 0x0bee, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops},
89 { 0x8086, 0x0bef, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops},
90#endif
91 { 0, }
92};
93MODULE_DEVICE_TABLE(pci, pciidlist);
94
95/*
96 * Standard IOCTLs.
97 */
98
99#define DRM_IOCTL_GMA_ADB \
100 DRM_IOWR(DRM_GMA_ADB + DRM_COMMAND_BASE, uint32_t)
101#define DRM_IOCTL_GMA_MODE_OPERATION \
102 DRM_IOWR(DRM_GMA_MODE_OPERATION + DRM_COMMAND_BASE, \
103 struct drm_psb_mode_operation_arg)
104#define DRM_IOCTL_GMA_STOLEN_MEMORY \
105 DRM_IOWR(DRM_GMA_STOLEN_MEMORY + DRM_COMMAND_BASE, \
106 struct drm_psb_stolen_memory_arg)
107#define DRM_IOCTL_GMA_GAMMA \
108 DRM_IOWR(DRM_GMA_GAMMA + DRM_COMMAND_BASE, \
109 struct drm_psb_dpst_lut_arg)
110#define DRM_IOCTL_GMA_DPST_BL \
111 DRM_IOWR(DRM_GMA_DPST_BL + DRM_COMMAND_BASE, \
112 uint32_t)
113#define DRM_IOCTL_GMA_GET_PIPE_FROM_CRTC_ID \
114 DRM_IOWR(DRM_GMA_GET_PIPE_FROM_CRTC_ID + DRM_COMMAND_BASE, \
115 struct drm_psb_get_pipe_from_crtc_id_arg)
116#define DRM_IOCTL_GMA_GEM_CREATE \
117 DRM_IOWR(DRM_GMA_GEM_CREATE + DRM_COMMAND_BASE, \
118 struct drm_psb_gem_create)
119#define DRM_IOCTL_GMA_GEM_MMAP \
120 DRM_IOWR(DRM_GMA_GEM_MMAP + DRM_COMMAND_BASE, \
121 struct drm_psb_gem_mmap)
122
123static int psb_adb_ioctl(struct drm_device *dev, void *data,
124 struct drm_file *file_priv);
125static int psb_mode_operation_ioctl(struct drm_device *dev, void *data,
126 struct drm_file *file_priv);
127static int psb_stolen_memory_ioctl(struct drm_device *dev, void *data,
128 struct drm_file *file_priv);
129static int psb_gamma_ioctl(struct drm_device *dev, void *data,
130 struct drm_file *file_priv);
131static int psb_dpst_bl_ioctl(struct drm_device *dev, void *data,
132 struct drm_file *file_priv);
133
134static struct drm_ioctl_desc psb_ioctls[] = {
135 DRM_IOCTL_DEF_DRV(GMA_ADB, psb_adb_ioctl, DRM_AUTH),
136 DRM_IOCTL_DEF_DRV(GMA_MODE_OPERATION, psb_mode_operation_ioctl,
137 DRM_AUTH),
138 DRM_IOCTL_DEF_DRV(GMA_STOLEN_MEMORY, psb_stolen_memory_ioctl,
139 DRM_AUTH),
140 DRM_IOCTL_DEF_DRV(GMA_GAMMA, psb_gamma_ioctl, DRM_AUTH),
141 DRM_IOCTL_DEF_DRV(GMA_DPST_BL, psb_dpst_bl_ioctl, DRM_AUTH),
142 DRM_IOCTL_DEF_DRV(GMA_GET_PIPE_FROM_CRTC_ID,
143 psb_intel_get_pipe_from_crtc_id, 0),
144 DRM_IOCTL_DEF_DRV(GMA_GEM_CREATE, psb_gem_create_ioctl,
145 DRM_UNLOCKED | DRM_AUTH),
146 DRM_IOCTL_DEF_DRV(GMA_GEM_MMAP, psb_gem_mmap_ioctl,
147 DRM_UNLOCKED | DRM_AUTH),
148};
149
150static void psb_lastclose(struct drm_device *dev)
151{
152 return;
153}
154
155static int psb_do_init(struct drm_device *dev)
156{
157 struct drm_psb_private *dev_priv = dev->dev_private;
158 struct psb_gtt *pg = &dev_priv->gtt;
159
160 uint32_t stolen_gtt;
161
162 int ret = -ENOMEM;
163
164 if (pg->mmu_gatt_start & 0x0FFFFFFF) {
165 dev_err(dev->dev, "Gatt must be 256M aligned. This is a bug.\n");
166 ret = -EINVAL;
167 goto out_err;
168 }
169
170
171 stolen_gtt = (pg->stolen_size >> PAGE_SHIFT) * 4;
172 stolen_gtt = (stolen_gtt + PAGE_SIZE - 1) >> PAGE_SHIFT;
173 stolen_gtt =
174 (stolen_gtt < pg->gtt_pages) ? stolen_gtt : pg->gtt_pages;
175
176 dev_priv->gatt_free_offset = pg->mmu_gatt_start +
177 (stolen_gtt << PAGE_SHIFT) * 1024;
178
179 spin_lock_init(&dev_priv->irqmask_lock);
180 spin_lock_init(&dev_priv->lock_2d);
181
182 PSB_WSGX32(0x00000000, PSB_CR_BIF_BANK0);
183 PSB_WSGX32(0x00000000, PSB_CR_BIF_BANK1);
184 PSB_RSGX32(PSB_CR_BIF_BANK1);
185 PSB_WSGX32(PSB_RSGX32(PSB_CR_BIF_CTRL) | _PSB_MMU_ER_MASK,
186 PSB_CR_BIF_CTRL);
187 psb_spank(dev_priv);
188
189 /* mmu_gatt ?? */
190 PSB_WSGX32(pg->gatt_start, PSB_CR_BIF_TWOD_REQ_BASE);
191 return 0;
192out_err:
193 return ret;
194}
195
196static int psb_driver_unload(struct drm_device *dev)
197{
198 struct drm_psb_private *dev_priv = dev->dev_private;
199
200 /* Kill vblank etc here */
201
202
203 if (dev_priv) {
204 if (dev_priv->backlight_device)
205 gma_backlight_exit(dev);
206 psb_modeset_cleanup(dev);
207
208 if (dev_priv->ops->chip_teardown)
209 dev_priv->ops->chip_teardown(dev);
210
211 psb_intel_opregion_fini(dev);
212
213 if (dev_priv->pf_pd) {
214 psb_mmu_free_pagedir(dev_priv->pf_pd);
215 dev_priv->pf_pd = NULL;
216 }
217 if (dev_priv->mmu) {
218 struct psb_gtt *pg = &dev_priv->gtt;
219
220 down_read(&pg->sem);
221 psb_mmu_remove_pfn_sequence(
222 psb_mmu_get_default_pd
223 (dev_priv->mmu),
224 pg->mmu_gatt_start,
225 dev_priv->vram_stolen_size >> PAGE_SHIFT);
226 up_read(&pg->sem);
227 psb_mmu_driver_takedown(dev_priv->mmu);
228 dev_priv->mmu = NULL;
229 }
230 psb_gtt_takedown(dev);
231 if (dev_priv->scratch_page) {
232 set_pages_wb(dev_priv->scratch_page, 1);
233 __free_page(dev_priv->scratch_page);
234 dev_priv->scratch_page = NULL;
235 }
236 if (dev_priv->vdc_reg) {
237 iounmap(dev_priv->vdc_reg);
238 dev_priv->vdc_reg = NULL;
239 }
240 if (dev_priv->sgx_reg) {
241 iounmap(dev_priv->sgx_reg);
242 dev_priv->sgx_reg = NULL;
243 }
244
245 /* Destroy VBT data */
246 psb_intel_destroy_bios(dev);
247
248 kfree(dev_priv);
249 dev->dev_private = NULL;
250 }
251 gma_power_uninit(dev);
252 return 0;
253}
254
255
256static int psb_driver_load(struct drm_device *dev, unsigned long chipset)
257{
258 struct drm_psb_private *dev_priv;
259 unsigned long resource_start;
260 unsigned long irqflags;
261 int ret = -ENOMEM;
262 struct drm_connector *connector;
263 struct psb_intel_encoder *psb_intel_encoder;
264
265 dev_priv = kzalloc(sizeof(*dev_priv), GFP_KERNEL);
266 if (dev_priv == NULL)
267 return -ENOMEM;
268
269 dev_priv->ops = (struct psb_ops *)chipset;
270 dev_priv->dev = dev;
271 dev->dev_private = (void *) dev_priv;
272
273 pci_set_master(dev->pdev);
274
275 dev_priv->num_pipe = dev_priv->ops->pipes;
276
277 resource_start = pci_resource_start(dev->pdev, PSB_MMIO_RESOURCE);
278
279 dev_priv->vdc_reg =
280 ioremap(resource_start + PSB_VDC_OFFSET, PSB_VDC_SIZE);
281 if (!dev_priv->vdc_reg)
282 goto out_err;
283
284 dev_priv->sgx_reg = ioremap(resource_start + dev_priv->ops->sgx_offset,
285 PSB_SGX_SIZE);
286 if (!dev_priv->sgx_reg)
287 goto out_err;
288
289 psb_intel_opregion_setup(dev);
290
291 ret = dev_priv->ops->chip_setup(dev);
292 if (ret)
293 goto out_err;
294
295 /* Init OSPM support */
296 gma_power_init(dev);
297
298 ret = -ENOMEM;
299
300 dev_priv->scratch_page = alloc_page(GFP_DMA32 | __GFP_ZERO);
301 if (!dev_priv->scratch_page)
302 goto out_err;
303
304 set_pages_uc(dev_priv->scratch_page, 1);
305
306 ret = psb_gtt_init(dev, 0);
307 if (ret)
308 goto out_err;
309
310 dev_priv->mmu = psb_mmu_driver_init((void *)0,
311 drm_psb_trap_pagefaults, 0,
312 dev_priv);
313 if (!dev_priv->mmu)
314 goto out_err;
315
316 dev_priv->pf_pd = psb_mmu_alloc_pd(dev_priv->mmu, 1, 0);
317 if (!dev_priv->pf_pd)
318 goto out_err;
319
320 psb_mmu_set_pd_context(psb_mmu_get_default_pd(dev_priv->mmu), 0);
321 psb_mmu_set_pd_context(dev_priv->pf_pd, 1);
322
323 ret = psb_do_init(dev);
324 if (ret)
325 return ret;
326
327 PSB_WSGX32(0x20000000, PSB_CR_PDS_EXEC_BASE);
328 PSB_WSGX32(0x30000000, PSB_CR_BIF_3D_REQ_BASE);
329
330 acpi_video_register();
331
332 ret = drm_vblank_init(dev, dev_priv->num_pipe);
333 if (ret)
334 goto out_err;
335
336 /*
337 * Install interrupt handlers prior to powering off SGX or else we will
338 * crash.
339 */
340 dev_priv->vdc_irq_mask = 0;
341 dev_priv->pipestat[0] = 0;
342 dev_priv->pipestat[1] = 0;
343 dev_priv->pipestat[2] = 0;
344 spin_lock_irqsave(&dev_priv->irqmask_lock, irqflags);
345 PSB_WVDC32(0xFFFFFFFF, PSB_HWSTAM);
346 PSB_WVDC32(0x00000000, PSB_INT_ENABLE_R);
347 PSB_WVDC32(0xFFFFFFFF, PSB_INT_MASK_R);
348 spin_unlock_irqrestore(&dev_priv->irqmask_lock, irqflags);
349
350 drm_irq_install(dev);
351
352 dev->vblank_disable_allowed = 1;
353
354 dev->max_vblank_count = 0xffffff; /* only 24 bits of frame count */
355
356 dev->driver->get_vblank_counter = psb_get_vblank_counter;
357
358 psb_modeset_init(dev);
359 psb_fbdev_init(dev);
360 drm_kms_helper_poll_init(dev);
361
362 /* Only add backlight support if we have LVDS output */
363 list_for_each_entry(connector, &dev->mode_config.connector_list,
364 head) {
365 psb_intel_encoder = psb_intel_attached_encoder(connector);
366
367 switch (psb_intel_encoder->type) {
368 case INTEL_OUTPUT_LVDS:
369 case INTEL_OUTPUT_MIPI:
370 ret = gma_backlight_init(dev);
371 break;
372 }
373 }
374
375 if (ret)
376 return ret;
377 psb_intel_opregion_enable_asle(dev);
378#if 0
379 /*enable runtime pm at last*/
380 pm_runtime_enable(&dev->pdev->dev);
381 pm_runtime_set_active(&dev->pdev->dev);
382#endif
383 /*Intel drm driver load is done, continue doing pvr load*/
384 return 0;
385out_err:
386 psb_driver_unload(dev);
387 return ret;
388}
389
390static int psb_driver_device_is_agp(struct drm_device *dev)
391{
392 return 0;
393}
394
395static inline void get_brightness(struct backlight_device *bd)
396{
397#ifdef CONFIG_BACKLIGHT_CLASS_DEVICE
398 if (bd) {
399 bd->props.brightness = bd->ops->get_brightness(bd);
400 backlight_update_status(bd);
401 }
402#endif
403}
404
405static int psb_dpst_bl_ioctl(struct drm_device *dev, void *data,
406 struct drm_file *file_priv)
407{
408 struct drm_psb_private *dev_priv = psb_priv(dev);
409 uint32_t *arg = data;
410
411 dev_priv->blc_adj2 = *arg;
412 get_brightness(dev_priv->backlight_device);
413 return 0;
414}
415
416static int psb_adb_ioctl(struct drm_device *dev, void *data,
417 struct drm_file *file_priv)
418{
419 struct drm_psb_private *dev_priv = psb_priv(dev);
420 uint32_t *arg = data;
421
422 dev_priv->blc_adj1 = *arg;
423 get_brightness(dev_priv->backlight_device);
424 return 0;
425}
426
427static int psb_gamma_ioctl(struct drm_device *dev, void *data,
428 struct drm_file *file_priv)
429{
430 struct drm_psb_dpst_lut_arg *lut_arg = data;
431 struct drm_mode_object *obj;
432 struct drm_crtc *crtc;
433 struct drm_connector *connector;
434 struct psb_intel_crtc *psb_intel_crtc;
435 int i = 0;
436 int32_t obj_id;
437
438 obj_id = lut_arg->output_id;
439 obj = drm_mode_object_find(dev, obj_id, DRM_MODE_OBJECT_CONNECTOR);
440 if (!obj) {
441 dev_dbg(dev->dev, "Invalid Connector object.\n");
442 return -EINVAL;
443 }
444
445 connector = obj_to_connector(obj);
446 crtc = connector->encoder->crtc;
447 psb_intel_crtc = to_psb_intel_crtc(crtc);
448
449 for (i = 0; i < 256; i++)
450 psb_intel_crtc->lut_adj[i] = lut_arg->lut[i];
451
452 psb_intel_crtc_load_lut(crtc);
453
454 return 0;
455}
456
457static int psb_mode_operation_ioctl(struct drm_device *dev, void *data,
458 struct drm_file *file_priv)
459{
460 uint32_t obj_id;
461 uint16_t op;
462 struct drm_mode_modeinfo *umode;
463 struct drm_display_mode *mode = NULL;
464 struct drm_psb_mode_operation_arg *arg;
465 struct drm_mode_object *obj;
466 struct drm_connector *connector;
467 struct drm_connector_helper_funcs *connector_funcs;
468 int ret = 0;
469 int resp = MODE_OK;
470
471 arg = (struct drm_psb_mode_operation_arg *)data;
472 obj_id = arg->obj_id;
473 op = arg->operation;
474
475 switch (op) {
476 case PSB_MODE_OPERATION_MODE_VALID:
477 umode = &arg->mode;
478
479 mutex_lock(&dev->mode_config.mutex);
480
481 obj = drm_mode_object_find(dev, obj_id,
482 DRM_MODE_OBJECT_CONNECTOR);
483 if (!obj) {
484 ret = -EINVAL;
485 goto mode_op_out;
486 }
487
488 connector = obj_to_connector(obj);
489
490 mode = drm_mode_create(dev);
491 if (!mode) {
492 ret = -ENOMEM;
493 goto mode_op_out;
494 }
495
496 /* drm_crtc_convert_umode(mode, umode); */
497 {
498 mode->clock = umode->clock;
499 mode->hdisplay = umode->hdisplay;
500 mode->hsync_start = umode->hsync_start;
501 mode->hsync_end = umode->hsync_end;
502 mode->htotal = umode->htotal;
503 mode->hskew = umode->hskew;
504 mode->vdisplay = umode->vdisplay;
505 mode->vsync_start = umode->vsync_start;
506 mode->vsync_end = umode->vsync_end;
507 mode->vtotal = umode->vtotal;
508 mode->vscan = umode->vscan;
509 mode->vrefresh = umode->vrefresh;
510 mode->flags = umode->flags;
511 mode->type = umode->type;
512 strncpy(mode->name, umode->name, DRM_DISPLAY_MODE_LEN);
513 mode->name[DRM_DISPLAY_MODE_LEN-1] = 0;
514 }
515
516 connector_funcs = (struct drm_connector_helper_funcs *)
517 connector->helper_private;
518
519 if (connector_funcs->mode_valid) {
520 resp = connector_funcs->mode_valid(connector, mode);
521 arg->data = resp;
522 }
523
524 /*do some clean up work*/
525 if (mode)
526 drm_mode_destroy(dev, mode);
527mode_op_out:
528 mutex_unlock(&dev->mode_config.mutex);
529 return ret;
530
531 default:
532 dev_dbg(dev->dev, "Unsupported psb mode operation\n");
533 return -EOPNOTSUPP;
534 }
535
536 return 0;
537}
538
539static int psb_stolen_memory_ioctl(struct drm_device *dev, void *data,
540 struct drm_file *file_priv)
541{
542 struct drm_psb_private *dev_priv = psb_priv(dev);
543 struct drm_psb_stolen_memory_arg *arg = data;
544
545 arg->base = dev_priv->stolen_base;
546 arg->size = dev_priv->vram_stolen_size;
547
548 return 0;
549}
550
551static int psb_driver_open(struct drm_device *dev, struct drm_file *priv)
552{
553 return 0;
554}
555
556static void psb_driver_close(struct drm_device *dev, struct drm_file *priv)
557{
558}
559
560static long psb_unlocked_ioctl(struct file *filp, unsigned int cmd,
561 unsigned long arg)
562{
563 struct drm_file *file_priv = filp->private_data;
564 struct drm_device *dev = file_priv->minor->dev;
565 struct drm_psb_private *dev_priv = dev->dev_private;
566 static unsigned int runtime_allowed;
567
568 if (runtime_allowed == 1 && dev_priv->is_lvds_on) {
569 runtime_allowed++;
570 pm_runtime_allow(&dev->pdev->dev);
571 dev_priv->rpm_enabled = 1;
572 }
573 return drm_ioctl(filp, cmd, arg);
574 /* FIXME: do we need to wrap the other side of this */
575}
576
577
578/* When a client dies:
579 * - Check for and clean up flipped page state
580 */
581static void psb_driver_preclose(struct drm_device *dev, struct drm_file *priv)
582{
583}
584
585static void psb_remove(struct pci_dev *pdev)
586{
587 struct drm_device *dev = pci_get_drvdata(pdev);
588 drm_put_dev(dev);
589}
590
591static const struct dev_pm_ops psb_pm_ops = {
592 .resume = gma_power_resume,
593 .suspend = gma_power_suspend,
594 .runtime_suspend = psb_runtime_suspend,
595 .runtime_resume = psb_runtime_resume,
596 .runtime_idle = psb_runtime_idle,
597};
598
599static const struct vm_operations_struct psb_gem_vm_ops = {
600 .fault = psb_gem_fault,
601 .open = drm_gem_vm_open,
602 .close = drm_gem_vm_close,
603};
604
605static const struct file_operations psb_gem_fops = {
606 .owner = THIS_MODULE,
607 .open = drm_open,
608 .release = drm_release,
609 .unlocked_ioctl = psb_unlocked_ioctl,
610 .mmap = drm_gem_mmap,
611 .poll = drm_poll,
612 .fasync = drm_fasync,
613 .read = drm_read,
614};
615
616static struct drm_driver driver = {
617 .driver_features = DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED | \
618 DRIVER_IRQ_VBL | DRIVER_MODESET | DRIVER_GEM ,
619 .load = psb_driver_load,
620 .unload = psb_driver_unload,
621
622 .ioctls = psb_ioctls,
623 .num_ioctls = DRM_ARRAY_SIZE(psb_ioctls),
624 .device_is_agp = psb_driver_device_is_agp,
625 .irq_preinstall = psb_irq_preinstall,
626 .irq_postinstall = psb_irq_postinstall,
627 .irq_uninstall = psb_irq_uninstall,
628 .irq_handler = psb_irq_handler,
629 .enable_vblank = psb_enable_vblank,
630 .disable_vblank = psb_disable_vblank,
631 .get_vblank_counter = psb_get_vblank_counter,
632 .lastclose = psb_lastclose,
633 .open = psb_driver_open,
634 .preclose = psb_driver_preclose,
635 .postclose = psb_driver_close,
636 .reclaim_buffers = drm_core_reclaim_buffers,
637
638 .gem_init_object = psb_gem_init_object,
639 .gem_free_object = psb_gem_free_object,
640 .gem_vm_ops = &psb_gem_vm_ops,
641 .dumb_create = psb_gem_dumb_create,
642 .dumb_map_offset = psb_gem_dumb_map_gtt,
643 .dumb_destroy = psb_gem_dumb_destroy,
644 .fops = &psb_gem_fops,
645 .name = DRIVER_NAME,
646 .desc = DRIVER_DESC,
647 .date = PSB_DRM_DRIVER_DATE,
648 .major = PSB_DRM_DRIVER_MAJOR,
649 .minor = PSB_DRM_DRIVER_MINOR,
650 .patchlevel = PSB_DRM_DRIVER_PATCHLEVEL
651};
652
653static struct pci_driver psb_pci_driver = {
654 .name = DRIVER_NAME,
655 .id_table = pciidlist,
656 .probe = psb_probe,
657 .remove = psb_remove,
658 .driver = {
659 .pm = &psb_pm_ops,
660 }
661};
662
663static int psb_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
664{
665 return drm_get_pci_dev(pdev, ent, &driver);
666}
667
668static int __init psb_init(void)
669{
670 return drm_pci_init(&driver, &psb_pci_driver);
671}
672
673static void __exit psb_exit(void)
674{
675 drm_pci_exit(&driver, &psb_pci_driver);
676}
677
678late_initcall(psb_init);
679module_exit(psb_exit);
680
681MODULE_AUTHOR("Alan Cox <alan@linux.intel.com> and others");
682MODULE_DESCRIPTION(DRIVER_DESC);
683MODULE_LICENSE("GPL");